package parking

// RoutingGateController 按设备编码在多个道闸后端之间路由。
// fallback 为默认后端（UHF 继电器 DeviceManager 或 SimulatedGateController），
// mqtt 为可选的独立网络道闸后端；仅当 mqtt 存在且持有该设备路由时才走 MQTT。
type RoutingGateController struct {
	fallback GateController
	mqtt     *MQTTGateController
}

func NewRoutingGateController(fallback GateController, mqtt *MQTTGateController) *RoutingGateController {
	return &RoutingGateController{fallback: fallback, mqtt: mqtt}
}

func (r *RoutingGateController) OpenGate(deviceCode string, validTime byte) error {
	if r.mqtt != nil && r.mqtt.HasRoute(deviceCode) {
		return r.mqtt.OpenGate(deviceCode, validTime)
	}
	return r.fallback.OpenGate(deviceCode, validTime)
}

func (r *RoutingGateController) CloseGate(deviceCode string, validTime byte) error {
	if r.mqtt != nil && r.mqtt.HasRoute(deviceCode) {
		return r.mqtt.CloseGate(deviceCode, validTime)
	}
	return r.fallback.CloseGate(deviceCode, validTime)
}

func (r *RoutingGateController) IsGateConnected(deviceCode string) bool {
	if r.mqtt != nil && r.mqtt.HasRoute(deviceCode) {
		return r.mqtt.IsGateConnected(deviceCode)
	}
	return r.fallback.IsGateConnected(deviceCode)
}